<!doctype html>

<body>
  <style type="text/css">
    body {
      background-color: #f0f0f0;
      text-align: center;
      padding-top: 200px;
      font-family: sans-serif;
    }
    div {
      color: #909090;
    }
  </style>
  <div>Waiting for development server...</div>
</body>
